Metalurgija, Vol. 52 No. 3, 2013.
Prethodno priopćenje
Effect of heat treatment on the wear and corrosion behaviors of a gray cast iron coated with a COLMONOY 88 alloy deposited by high velocity oxygen fuel (HVOF) thermal spray
A. Öz
; Mehmet Akif Ersoy University, Burdur, Turkey
R. Samur
; Marmara University, İstanbul, Turkey
H. Mindivan
; Ataturk University, Erzurum, Turkey
A. Demir
; Marmara University, İstanbul, Turkey
S. Sagiroglu
; Karabuk University, Karabuk, Turkey
A. K. Yakut
; Suleyman Demirel University, Isparta, Turkey
Sažetak
The present work has been conducted in order to determine the influence of heat treatment on the wear and corrosion behaviours of a gray cast iron substrate coated with a Ni base coating deposited by HVOF thermal spray. The wear resistance of the coatings was obtained using a reciprocating wear tester by rubbing a 10 mm diameter steel ball on the coatings at normal atmospheric conditions. Corrosion tests were performed using potentiodynamic polarization measurements in a 3,5 % NaCl solution. It was observed that the corrosion and wear resistance of the coatings increased along with the reduction of porosity and roughness by the heat treatment.
Ključne riječi
corrosion; HVOF; Ni-based coating; post-heat treatment; wear
Hrčak ID:
95779
URI
Datum izdavanja:
1.7.2013.
Posjeta: 1.854 *